CVE-2026-23278

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23278", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.991Z", "datePublished": "2026-03-20T08:08:58.566Z", "dateUpdated": "2026-10-30T12:23:54.849Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:23:54.849Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: always walk all pending catchall elements\n\nDuring transaction processing we might have more than one catchall element:\n1 live catchall element and 1 pending element that is coming as part of the\nnew batch.\n\nIf the map holding the catchall elements is also going away, its\nrequired to toggle all catchall elements and not just the first viable\ncandidate.\n\nOtherwise, we get:\n WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404\n RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]\n [..]\n __nft_set_elem_destroy+0x106/0x380 [nf_tables]\n nf_tables_abort_release+0x348/0x8d0 [nf_tables]\n nf_tables_abort+0xcf2/0x3ac0 [nf_tables]\n nfnetlink_rcv_batch+0x9c9/0x20e0 [..]"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "nf_tables catchall element walk breaks early, leaving second catchall element's chain references improperly toggled during abort. Leads to chain use-count underflow and UAF. Deterministic logic error reachable via unprivileged user namespaces."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_tables_api.c"], "versions": [{"version": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8", "lessThan": "ae8f3cedc5f5653a5bed45c5ed016fe156e2af55", "status": "affected", "versionType": "git"}, {"version": "d60be2da67d172aecf866302c91ea11533eca4d9", "lessThan": "c4d4e86fda707d89eaba80e343321737375f8582", "status": "affected", "versionType": "git"}, {"version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "4830fb44d12f586f3f544609e086933649a9175a", "status": "affected", "versionType": "git"}, {"version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "eb0948fa13298212c5f8b30ee48efdae4389ab09", "status": "affected", "versionType": "git"}, {"version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "de47a88c6b807910f05703fb6605f7efdaa11417", "status": "affected", "versionType": "git"}, {"version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "77c26b5056d693ffe5e9f040e946251cdb55ae55", "status": "affected", "versionType": "git"}, {"version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9", "status": "affected", "versionType": "git"}, {"version": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1", "status": "affected", "versionType": "git"}, {"version": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50", "status": "affected", "versionType": "git"}, {"version": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9", "status": "affected", "versionType": "git"}, {"version": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41", "status": "affected", "versionType": "git"}, {"version": "5.15.121", "lessThan": "5.15.224", "status": "affected", "versionType": "semver"}, {"version": "6.1.36", "lessThan": "6.1.177", "status": "affected", "versionType": "semver"}, {"version": "4.19.316", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.4.262", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "5.10.188", "lessThan": "5.11", "status": "affected", "versionType": "semver"}, {"version": "6.3.10", "lessThan": "6.4", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_tables_api.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.177", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.144", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.121", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.36", "versionEndExcluding": "6.1.177"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.6.144"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.316"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.262"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ae8f3cedc5f5653a5bed45c5ed016fe156e2af55"}, {"url": "https://git.kernel.org/stable/c/c4d4e86fda707d89eaba80e343321737375f8582"}, {"url": "https://git.kernel.org/stable/c/4830fb44d12f586f3f544609e086933649a9175a"}, {"url": "https://git.kernel.org/stable/c/eb0948fa13298212c5f8b30ee48efdae4389ab09"}, {"url": "https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417"}, {"url": "https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55"}, {"url": "https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9"}], "title": "netfilter: nf_tables: always walk all pending catchall elements", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:13:35.216Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23278", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:07:21.674772Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T18:35:41.455Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "x_adpType": "supplier", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:13:35.216Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23278", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:07:21.674772Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:07:22.216Z"}}], "cna": {"title": "netfilter: nf_tables: always walk all pending catchall elements", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "nf_tables catchall element walk breaks early, leaving second catchall element's chain references improperly toggled during abort. Leads to chain use-count underflow and UAF. Deterministic logic error reachable via unprivileged user namespaces."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8", "lessThan": "ae8f3cedc5f5653a5bed45c5ed016fe156e2af55", "versionType": "git"}, {"status": "affected", "version": "d60be2da67d172aecf866302c91ea11533eca4d9", "lessThan": "c4d4e86fda707d89eaba80e343321737375f8582", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "4830fb44d12f586f3f544609e086933649a9175a", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "eb0948fa13298212c5f8b30ee48efdae4389ab09", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "de47a88c6b807910f05703fb6605f7efdaa11417", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "77c26b5056d693ffe5e9f040e946251cdb55ae55", "versionType": "git"}, {"status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "lessThan": "7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9", "versionType": "git"}, {"status": "affected", "version": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1", "versionType": "git"}, {"status": "affected", "version": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50", "versionType": "git"}, {"status": "affected", "version": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9", "versionType": "git"}, {"status": "affected", "version": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41", "versionType": "git"}, {"status": "affected", "version": "5.15.121", "lessThan": "5.15.224", "versionType": "semver"}, {"status": "affected", "version": "6.1.36", "lessThan": "6.1.177", "versionType": "semver"}, {"status": "affected", "version": "4.19.316", "lessThan": "4.20", "versionType": "semver"}, {"status": "affected", "version": "5.4.262", "lessThan": "5.5", "versionType": "semver"}, {"status": "affected", "version": "5.10.188", "lessThan": "5.11", "versionType": "semver"}, {"status": "affected", "version": "6.3.10", "lessThan": "6.4", "versionType": "semver"}], "programFiles": ["net/netfilter/nf_tables_api.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"status": "unaffected", "version": "0", "lessThan": "6.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.224", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.177", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.144", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.19", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.9", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/nf_tables_api.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/ae8f3cedc5f5653a5bed45c5ed016fe156e2af55"}, {"url": "https://git.kernel.org/stable/c/c4d4e86fda707d89eaba80e343321737375f8582"}, {"url": "https://git.kernel.org/stable/c/4830fb44d12f586f3f544609e086933649a9175a"}, {"url": "https://git.kernel.org/stable/c/eb0948fa13298212c5f8b30ee48efdae4389ab09"}, {"url": "https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417"}, {"url": "https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55"}, {"url": "https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: always walk all pending catchall elements\n\nDuring transaction processing we might have more than one catchall element:\n1 live catchall element and 1 pending element that is coming as part of the\nnew batch.\n\nIf the map holding the catchall elements is also going away, its\nrequired to toggle all catchall elements and not just the first viable\ncandidate.\n\nOtherwise, we get:\n WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404\n RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]\n [..]\n __nft_set_elem_destroy+0x106/0x380 [nf_tables]\n nf_tables_abort_release+0x348/0x8d0 [nf_tables]\n nf_tables_abort+0xcf2/0x3ac0 [nf_tables]\n nfnetlink_rcv_batch+0x9c9/0x20e0 [..]"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.224", "versionStartIncluding": "5.15.121"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.177", "versionStartIncluding": "6.1.36"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.144", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.19.316"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.4.262"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "5.10.188"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.3.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:23:54.849Z"}}}, "cveMetadata": {"cveId": "CVE-2026-23278", "state": "PUBLISHED", "dateUpdated": "2026-10-30T12:23:54.849Z", "dateReserved": "2026-01-13T15:37:45.991Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-03-20T08:08:58.566Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/nf_tables_api.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ae8f3cedc5f5653a5bed45c5ed016fe156e2af55", "status": "affected", "version": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8", "versionType": "git"}, {"lessThan": "c4d4e86fda707d89eaba80e343321737375f8582", "status": "affected", "version": "d60be2da67d172aecf866302c91ea11533eca4d9", "versionType": "git"}, {"lessThan": "4830fb44d12f586f3f544609e086933649a9175a", "status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "versionType": "git"}, {"lessThan": "eb0948fa13298212c5f8b30ee48efdae4389ab09", "status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "versionType": "git"}, {"lessThan": "de47a88c6b807910f05703fb6605f7efdaa11417", "status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "versionType": "git"}, {"lessThan": "77c26b5056d693ffe5e9f040e946251cdb55ae55", "status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "versionType": "git"}, {"lessThan": "7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9", "status": "affected", "version": "628bd3e49cba1c066228e23d71a852c23e26da73", "versionType": "git"}, {"status": "affected", "version": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1", "versionType": "git"}, {"status": "affected", "version": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50", "versionType": "git"}, {"status": "affected", "version": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9", "versionType": "git"}, {"status": "affected", "version": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41", "versionType": "git"}, {"lessThan": "5.15.224", "status": "affected", "version": "5.15.121", "versionType": "semver"}, {"lessThan": "6.1.177", "status": "affected", "version": "6.1.36", "versionType": "semver"}, {"lessThan": "4.20", "status": "affected", "version": "4.19.316", "versionType": "semver"}, {"lessThan": "5.5", "status": "affected", "version": "5.4.262", "versionType": "semver"}, {"lessThan": "5.11", "status": "affected", "version": "5.10.188", "versionType": "semver"}, {"lessThan": "6.4", "status": "affected", "version": "6.3.10", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/netfilter/nf_tables_api.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.177", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.144", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.78", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.19", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "76EC9BF9-9775-4D90-B594-4C2AB71E1F86", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.316", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5CE7F771-8144-4AEC-B6E3-5F4830BD8EB7", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.262", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D42E8C7-CD33-432A-AC09-DC524C88ECE4", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.188", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F3AFFFEE-0707-48FE-B692-4AB92FDAA922", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.121", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA01A6C2-268C-47EA-B548-1E6808D167C9", "versionEndExcluding": "6.2", "versionStartIncluding": "6.1.36", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3E002324-2B5E-4373-A29E-1D5D0FC97F6F", "versionEndExcluding": "6.4", "versionStartIncluding": "6.3.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "951BA359-3D8C-4EA2-81F5-D8A2DB4137E9", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.4.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: always walk all pending catchall elements\n\nDuring transaction processing we might have more than one catchall element:\n1 live catchall element and 1 pending element that is coming as part of the\nnew batch.\n\nIf the map holding the catchall elements is also going away, its\nrequired to toggle all catchall elements and not just the first viable\ncandidate.\n\nOtherwise, we get:\n WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404\n RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]\n [..]\n __nft_set_elem_destroy+0x106/0x380 [nf_tables]\n nf_tables_abort_release+0x348/0x8d0 [nf_tables]\n nf_tables_abort+0xcf2/0x3ac0 [nf_tables]\n nfnetlink_rcv_batch+0x9c9/0x20e0 [..]"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnetfilter: nf_tables: siempre recorrer todos los elementos catchall pendientes\n\nDurante el procesamiento de transacciones podr\u00edamos tener m\u00e1s de un elemento catchall:\n1 elemento catchall activo y 1 elemento pendiente que viene como parte del nuevo lote.\n\nSi el mapa que contiene los elementos catchall tambi\u00e9n va a desaparecer, es necesario alternar todos los elementos catchall y no solo el primer candidato viable.\n\nDe lo contrario, obtenemos:\n ADVERTENCIA: ./include/net/netfilter/nf_tables.h:1281 en nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404\n RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]\n [..]\n __nft_set_elem_destroy+0x106/0x380 [nf_tables]\n nf_tables_abort_release+0x348/0x8d0 [nf_tables]\n nf_tables_abort+0xcf2/0x3ac0 [nf_tables]\n nfnetlink_rcv_batch+0x9c9/0x20e0 [..]"}], "id": "CVE-2026-23278", "lastModified": "2026-10-30T13:18:35.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23278", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:07:21.674772Z", "version": "2.0.3"}}]}, "published": "2026-03-20T09:16:13.690", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4830fb44d12f586f3f544609e086933649a9175a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/77c26b5056d693ffe5e9f040e946251cdb55ae55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ae8f3cedc5f5653a5bed45c5ed016fe156e2af55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c4d4e86fda707d89eaba80e343321737375f8582"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/de47a88c6b807910f05703fb6605f7efdaa11417"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb0948fa13298212c5f8b30ee48efdae4389ab09"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: netfilter: nf_tables: always walk all pending catchall elements", "id": "2449570", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449570"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-459", "details": ["A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nf_tables component. This vulnerability occurs during transaction processing when the system incorrectly handles multiple pending catchall elements, particularly when the associated map is being removed. This can lead to a kernel warning and system instability, potentially causing a Denial of Service (DoS) for the affected system."], "name": "CVE-2026-23278", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23278\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23278\nhttps://lore.kernel.org/linux-cve-announce/2026032036-CVE-2026-23278-4dcc@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[628bd3e49cba1c066228e23d71a852c23e26da73,de47a88c6b807910f05703fb6605f7efdaa11417)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[628bd3e49cba1c066228e23d71a852c23e26da73,77c26b5056d693ffe5e9f040e946251cdb55ae55)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[628bd3e49cba1c066228e23d71a852c23e26da73,7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "bc9f791d2593f17e39f87c6e2b3a36549a3705b1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "3c7ec098e3b588434a8b07ea9b5b36f04cef1f50"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "a136b7942ad2a50de708f76ea299ccb45ac7a7f9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "d60be2da67d172aecf866302c91ea11533eca4d9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-03-20T10:36:41.648331+00:00", "updated": "2026-10-23T08:30:09.486606+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}